BOURDINEAUD-BORDÈRE, Sylvie; CALTAGIRONE, Jean-Paul

doi:10.1016/j.compstruc.2015.10.009

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BOURDINEAUD-BORDÈRE, Sylvie
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

CALTAGIRONE, Jean-Paul

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Computers and Structures. 2016-02, vol. 164, p. 38–52

Elsevier

Résumé en anglais

A novel non-conservative formulation for equations governing thermo-mechanical phenomena is developed to address multi-material and multi-physics issues. The first key point is that this formulation achieves a unifying equation for compressible viscous fluid flow and elastic solid deformation. The second is that the thermo-mechanical equations are both written with velocity and thermal flux variables to solve them simultaneously. With that formulation, interaction conditions at the fluid–structure interface become implicit and state equation is no longer necessary. Multi-time scale problems are solved, from the time scale of acoustic and thermoacoustic wave propagation, to longer time scale of fluid flow and thermal diffusion.< Réduire

Mots clés en anglais

Heat transport

Monolithic approach

Multi-physics

Multi-time scale

Fluid–solid interaction

Acoustic wave propagation

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A multi-physics and multi-time scale approach for modeling fluid–solid interaction and heat transfer

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